Jon Hamm to Guest Star on The Simpsons

This story is a part of our Mad Men Takeover. Season four of the series premieres on AMC this Sunday, July 25.

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When he’s not shticking up for health care and raking in Emmy noms for his lead role in the hit series Mad Men, Jon Hamm is lending his vocal talents as a guest star on The Simpons. According to Vulture, Hamm has been cast as an FBI supervisor in an upcoming episode of the show. Hamm’s character is responsible for Homer after he becomes an incarcerated undercover informant.

Al Jean, the show’s producer, says he was very pleased with the direction Hamm took with the role. “You gave him one note and he immediately did 12 great things with it,” Jean says. “He was really funny. And handsome. He had it all.”